* B910: implement to suggest using Counter() instead of defaultdict(int) (489)
* B901: Do not trigger with explicit Generator return type (481)
* B008: add some comments, rename b008_extend_immutable_calls (476)
* B040: exception with note added not reraised or used (477)
* B039, Add ``ContextVar`` with mutable literal or function call as default
* B040: Add Exception with added note not reraised. (474)
* Run tests in Python 3.13
* Type annotated code (481 + 483)
* Replace hash with unsafe_hash (486)